The Sign Invisible
| MPAA Rating: | NR |
| Genre: | Drama |
| Country: | United States |
| Directed By: | Edgar Lewis |
| Written By: | Anthony Paul Kelly |
| Cast: | William Cavanaugh, Ray Chamberlin, Victor Sutherland, Joseph Heron, Mitchell Lewis, Hedda Nova, Mary Carr, Mabel Julienne Scott, William A. Williams, Edward Roseman, Roy Midland, Phil Sanford |
| In Theaters: | Mar 01, 1918 |
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